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openmpi/opal/mca/pmix/cray/pmix_cray_component.c
Howard Pritchard c75dccede1 pmix/cray: remove finalize call from comp close
The finalize call in component close method is
no longer being matched by an equivalent init call,
so remove this call in the close method.
2014-12-03 09:44:18 -07:00

111 строки
3.0 KiB
C

/*
* Copyright (c) 2014 Intel, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
* These symbols are in a file by themselves to provide nice linker
* semantics. Since linkers generally pull in symbols by object
* files, keeping these symbols as the only symbols in this file
* prevents utility programs such as "ompi_info" from having to import
* entire components just to query their version and parameters.
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "opal/mca/pmix/pmix.h"
#include "pmix_cray.h"
#include <sys/syscall.h>
#include <pmi.h>
/*
* Public string showing the pmix cray component version number
*/
const char *opal_pmix_cray_component_version_string =
"OPAL cray pmix MCA component version " OPAL_VERSION;
/*
* Local function
*/
static int pmix_cray_component_query(mca_base_module_t **module, int *priority);
static int pmix_cray_component_close(void);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
const opal_pmix_base_component_t mca_pmix_cray_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
{
/* Indicate that we are a pmix v1.1.0 component (which also
implies a specific MCA version) */
OPAL_PMIX_BASE_VERSION_2_0_0,
/* Component name and version */
"cray",
OPAL_MAJOR_VERSION,
OPAL_MINOR_VERSION,
OPAL_RELEASE_VERSION,
/* Component open and close functions */
NULL,
pmix_cray_component_close,
pmix_cray_component_query,
NULL
},
/* Next the MCA v1.0.0 component meta data */
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
}
};
static int pmix_cray_component_query(mca_base_module_t **module, int *priority)
{
int rc;
const char proc_job_file[]="/proc/job";
FILE *fd = NULL, *fd_task_is_app = NULL;
char task_is_app_fname[PATH_MAX];
/* disqualify ourselves if not running in a Cray PAGG container */
fd = fopen(proc_job_file, "r");
if (fd == NULL) {
*priority = 0;
*module = NULL;
rc = OPAL_ERROR;
} else {
snprintf(task_is_app_fname,sizeof(task_is_app_fname),
"/proc/self/task/%ld/task_is_app",syscall(SYS_gettid));
fd_task_is_app = fopen(task_is_app_fname, "r");
if (fd_task_is_app != NULL) { /* okay we're in a PAGG container,
and we are an app task (not just a process
running on a mom node, for example),
so we should give cray pmi a shot. */
*priority = 90;
*module = (mca_base_module_t *)&opal_pmix_cray_module;
fclose(fd_task_is_app);
rc = OPAL_SUCCESS;
}
fclose(fd);
}
return rc;
}
static int pmix_cray_component_close(void)
{
return OPAL_SUCCESS;
}